Sir John Key doubts asset sales would achieve much.
The former Prime Minister says cutting bureaucracy and allowing better foreign investment would have more of an impact.
National says it may campaign on state-owned asset sales next election, a policy New Zealand First is dead against, while ACT's floating privatisation of health and education.
Key told Mike Hosking people are opposed because of what he thinks is ideological mumbo jumbo.
He says they just want to say everything is fantastic when its run by the state and you can't trust the private sector, but most things are done by the private sector already.
Sir John Key says there's nothing much left to sell, anyway.
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The Mike Hosking Breakfast